!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Sat Oct 5 14:18:20 UTC 2019 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 4.19.75-v8 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.75-v8 Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 !!Sound Servers on this system !!---------------------------- Jack: Installed - Yes (/usr/bin/jackd) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835_alsa - bcm2835 ALSA bcm2835 ALSA !!PCI Soundcards installed in the system !!-------------------------------------- !!Advanced information - PCI Vendor/Device/Subsystem ID's !!------------------------------------------------------- !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_usb_audio: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_compat_alsa : Y enable_hdmi : N enable_headphones : N force_bulk : N !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Oct 5 16:16 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 16 Oct 5 16:16 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Oct 5 16:16 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 18 Oct 5 16:16 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 1 Oct 5 16:17 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Oct 5 16:16 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Oct 5 16:16 . drwxr-xr-x 3 root root 180 Oct 5 16:16 .. lrwxrwxrwx 1 root root 12 Oct 5 16:16 platform-soc:audio -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA] Subdevices: 7/7 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 card 0: ALSA [bcm2835 ALSA], device 1: bcm2835 IEC958/HDMI [bcm2835 IEC958/HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: ALSA [bcm2835 ALSA], device 2: bcm2835 IEC958/HDMI1 [bcm2835 IEC958/HDMI1] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card 0 [ALSA] Card hw:0 'ALSA'/'bcm2835 ALSA' Mixer name : 'Broadcom Mixer' Components : '' Controls : 5 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback -2191 [76%] [-21.91dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value -2191 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -2191 } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'PCM Playback Route' value 2 comment { access 'read write' type INTEGER count 1 range '0 - 3' } } control.4 { iface PCM name 'IEC958 Playback Default' value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.5 { iface PCM name 'IEC958 Playback Con Mask' value '0200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access read type IEC958 count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module snd_seq snd_seq_device fuse arc4 ecb md4 md5 hmac nls_utf8 cifs ccm binfmt_misc spidev brcmfmac joydev brcmutil evdev vc4 sha256_generic cfg80211 drm_kms_helper v3d gpu_sched snd_soc_core drm raspberrypi_hwmon hwmon snd_bcm2835 snd_compress snd_pcm_dmaengine snd_pcm drm_panel_orientation_quirks bcm2835_codec snd_timer syscopyarea v4l2_mem2mem rfkill sysfillrect bcm2835_v4l2 sysimgblt fb_sys_fops bcm2835_mmal_vchiq snd v4l2_common videobuf2_vmalloc videobuf2_dma_contig i2c_bcm2835 videobuf2_memops videobuf2_v4l2 videobuf2_common vc_sm_cma videodev spi_bcm2835 media rpivid_mem uio_pdrv_genirq uio fixed i2c_dev ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 983808 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=1 cma=64M cma=256M video=HDMI-A-1:640x480M@60,margin_left=24,margin_right=24,margin_top=16,margin_bottom=16 video=HDMI-A-2:640x480M@60,margin_left=24,margin_right=24,margin_top=16,margin_bottom=16 smsc95xx.macaddr=DC:A6:32:18:F8:F0 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 dwc_otg.lpm_enable=0 root=PARTUUID=2bbf2e50-02 console=tty1 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait amixer cset numid=3 2 [ 0.000000] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes) -- [ 3.974085] bcm2835-codec bcm2835-codec: Loaded V4L2 isp [ 3.997712] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 4.004014] bcm2835_audio soc:audio: card created with 8 channels